Force the greedy register allocator to be linked alongside linear scan.

This means that the new register allocator can be used with 'clang -mllvm -regalloc=greedy'.

llvm-svn: 129764
This commit is contained in:
Jakob Stoklund Olesen 2011-04-19 17:17:58 +00:00
parent bcd09b3a7f
commit af12138d10
1 changed files with 5 additions and 0 deletions

View File

@ -55,6 +55,11 @@ FunctionPass *llvm::createRegisterAllocator(CodeGenOpt::Level OptLevel) {
RegisterRegAlloc::setDefault(RegAlloc);
}
// This forces linking of the greedy register allocator, so -regalloc=greedy
// works in clang.
if (Ctor == createGreedyRegisterAllocator)
return createGreedyRegisterAllocator();
if (Ctor != createDefaultRegisterAllocator)
return Ctor();